Revert "Make GCC happy again." and "Initial switch to Chromium-style CHECK_* and DCHECK_* macros.".

test/cctest/test-assembler-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3748 matching lines @@
   START();
   __ Mov(x0, 0);
   __ Mov(x1, 0);
   __ Mov(x2, 0);
 
   Label blob1;
   __ Bind(&blob1);
   __ Add(x0, x0, 0);
   __ Sub(x1, x1, 0);
   __ Sub(x2, x2, xzr);
-  CHECK_EQ(0u, __ SizeOfCodeGeneratedSince(&blob1));
+  CHECK_EQ(0, __ SizeOfCodeGeneratedSince(&blob1));
 
   Label blob2;
   __ Bind(&blob2);
   __ Add(w3, w3, 0);
-  CHECK_NE(0u, __ SizeOfCodeGeneratedSince(&blob2));
+  CHECK_NE(0, __ SizeOfCodeGeneratedSince(&blob2));
 
   Label blob3;
   __ Bind(&blob3);
   __ Sub(w3, w3, wzr);
-  CHECK_NE(0u, __ SizeOfCodeGeneratedSince(&blob3));
+  CHECK_NE(0, __ SizeOfCodeGeneratedSince(&blob3));
 
   END();
 
   RUN();
 
   CHECK_EQUAL_64(0, x0);
   CHECK_EQUAL_64(0, x1);
   CHECK_EQUAL_64(0, x2);
 
   TEARDOWN();
@@ skipping 13 matching lines @@
   __ Claim(xzr, 8);
   __ Drop(xzr, 8);
   __ Claim(xzr, 0);
   __ Drop(xzr, 0);
   __ Claim(x7, 0);
   __ Drop(x7, 0);
   __ ClaimBySMI(xzr, 8);
   __ DropBySMI(xzr, 8);
   __ ClaimBySMI(xzr, 0);
   __ DropBySMI(xzr, 0);
-  CHECK_EQ(0u, __ SizeOfCodeGeneratedSince(&start));
+  CHECK_EQ(0, __ SizeOfCodeGeneratedSince(&start));
 
   END();
 
   RUN();
 
   TEARDOWN();
 }
 
 
 TEST(neg) {
@@ skipping 7392 matching lines @@
     if (RelocInfo::IsVeneerPool(info->rmode())) {
       DCHECK(info->data() == veneer_pool_size);
       ++pool_count;
     }
   }
 
   DCHECK(pool_count == 2);
 
   TEARDOWN();
 }